Nurukawa Debris Flow Deposit Member

[ Top ] [ Japanese ]

Nurukawa Debris Flow Deposit Member (Nozawa, 2001) Takarada and Muraoka, 2004

Type locality: Aomori prefecture
Coherent formation
Pleistocene

Sedimentary facies: Lacustrine
Sedimentary facies: Debris flow deposit (5 - 6 units)
Lithofacies: Conglomerate
Lithofacies (Minor): Siltstone

Thickness (A unit): 10 m or thicker
Lower limit: Unconformity (Fujisawamori Lava)

Aoni Tuff
[ Upper ]
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Nurukawa Debris Flow Deposit Member
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Anamizuzawa Basalt Member / Anamizuzawa Lithic Tuff member
~~~~~~~~~~~~~~
[ Lower ]

Okiura caldera
[ Upper ]
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Oguni Lacustrine Formation
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Okiura Dacite
'''''''/,,,,,,
Aoni Tuff
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[ Lower ]

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

Distribution: Takinomata river, Hirakawa city, Aomori pref.

Takarada and Muraoka (2004) Geology of the Hakkoda San District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 86p. (in Japanese with English abstract 4p.)